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help please somone find the value of x and y

 

 Oct 12, 2020
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help please somone find the value of x and y

 

Hello Guest!

 

\(\alpha=180°-150°\\ \alpha=30° \)

 

\(sin\ \alpha=sin\ 30° \\sin\ 30°=\frac{5}{y}\\ 0.5=\frac{5}{y}\\ \color{blue}y=10\)

\(x=\sqrt{10^2-5^2}\\ x=\sqrt{75}=\sqrt{3\cdot 5^2}\)

\(x=5\cdot \sqrt{3}\approx 8.660254\)

laugh  !

 Oct 12, 2020
edited by asinus  Oct 12, 2020

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